US20090113610A1 - Lift and clean toilet seat hinge - Google Patents

Lift and clean toilet seat hinge Download PDF

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Publication number
US20090113610A1
US20090113610A1 US11/933,963 US93396307A US2009113610A1 US 20090113610 A1 US20090113610 A1 US 20090113610A1 US 93396307 A US93396307 A US 93396307A US 2009113610 A1 US2009113610 A1 US 2009113610A1
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Prior art keywords
hinge
toilet
hinge base
toilet seat
flap
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Granted
Application number
US11/933,963
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US8205274B2 (en
Inventor
Shan Lin
Yanxin Xu
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WDI International Inc
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Individual
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Priority to US11/933,963 priority Critical patent/US8205274B2/en
Assigned to WDI INTERNATIONAL, INC. reassignment WDI INTERNATIONAL, INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LIN, SHAN, XU, YANXIN
Publication of US20090113610A1 publication Critical patent/US20090113610A1/en
Application granted granted Critical
Publication of US8205274B2 publication Critical patent/US8205274B2/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K13/00—Seats or covers for all kinds of closets
    • A47K13/12—Hinges

Definitions

  • the present invention is generally related to a toilet, toilet seat, and a toilet seat hinge for detachably securing the toilet seat to the toilet bowl. More particularly, the present invention is directed to a toilet seat hinge which facilitates ready removal of the seat from the toilet bowl when, for example, it is desired to clean the toilet bowl or toilet seat, and/or replace the toilet seat. As hereinabove noted, it is frequently desirable to remove a toilet seat from its associated toilet bowl for cleaning or replacement. Typically, this is a difficult task since most seats are secured by threaded fasteners.
  • the present invention provides for an improved lift and clean toilet seat hinge for providing secure fastening of a toilet seat to a toilet bowl as well as being aesthetically pleasing.
  • a lift and clean toilet seat hinge in accordance with the present invention generally includes a mounting post having a shank for extending through a toilet bowl and an expandable head along with a toilet seat hinge base having an opening therethrough for receiving the expandable head.
  • a flap is provided for closing the hinge base opening and expanding the expandable head within the hinge base opening in order to releasably lock the mounting post to the toilet seat hinge base.
  • the post shank may be threaded and the hinge may further comprise a nut with the nut being threaded onto the threaded shank in order to secure the mounting post to the toilet bowl.
  • the expandable head includes a perforated, or segmented, ring and the hinge base opening includes a circumferential shelf for underlying the perforated ring when expanded by the flap.
  • the flap preferably includes a depending ring for expanding the perforating ring with the flap being pivotably hinged to the hinge base.
  • the perforated ring may include teeth for engaging the hinge base opening.
  • the present invention provides for a toilet seat assembly which includes a toilet seat, a toilet seat lid and a hinge interconnecting the toilet seat and the toilet seat hinge.
  • the hinge includes the hereinabove recited elements.
  • the invention further encompasses the toilet which includes a toilet bowl, a seat, and a hinge interconnecting the toilet bowl and the toilet seat with the hinge including the elements hereinabove recited.
  • FIG. 1 is a perspective view of a toilet seat bowl, toilet seat, and a hinge generally showing a mounting post, a toilet seat hinge base along with a flap for closing a hinge base opening;
  • FIG. 2 is a perspective view similar to that shown in FIG. 1 showing the flap closed;
  • FIG. 4 is a perspective view of the post expandable head showing a perforated or segmented, structure
  • FIG. 5 is a cross sectional view corresponding to FIG. 3 showing the flap closed with the depending ring expanding the expandable head to secure the hinge base to the mounting post and toilet bowl.
  • a toilet 10 in accordance with the present invention showing, in combination, a toilet bowl 12 , which may be of conventional design, along with a toilet seat 14 and hinges 18 , 20 for interconnecting the toilet bowl 12 and the toilet seat 14 .
  • the hinge 20 includes a mounting post 24 having a shank 26 for extending through the toilet bowl 12 and an expandable head 28 which is preferably perforated with a plurality of arcuate segments, or sections, as illustrated in FIG. 4 .
  • a nut 34 may be utilized and threaded onto the shank 26 in order to secure the post 24 to the toilet bowl 12 in a conventional manner.
  • Each of the hinges 18 , 20 include a hinge base 38 , common reference characters associated with the components of the hinges 18 , 20 having like character reference in the FIGS. 1 and 2 .
  • the hinge base 38 includes an opening 40 therethrough for receiving the expandable head 28 .
  • a flap 44 is attached to the hinge base 38 by a pivot 46 enabling the flap 44 to close over the hinge base opening 40 and expand the expandable head 28 within the hinge base opening 40 in order to releasably lock the mounting post head 28 and mounting post 24 to the toilet seat hinge base 38 as illustrated in FIG. 5 .
  • the perforated head 28 segments 30 preferably include teeth 50 for engaging the hinge base opening 40 which may also include a circumferential shelf 52 for enhancing the coupling, or locking of the head 28 to the hinge base 38 .
  • Expansion of the head 28 is caused by a ring 56 depending from the flap 44 as illustrated in FIG. 5 .
  • the hinge 18 , 20 When closed the hinge 18 , 20 has an aesthetically pleasing appearance as illustrated in FIG. 2 .
  • a protrusion 60 on a flap leg 64 and a detent 64 in the hinge base 38 further couples the flap 44 in a closed position over the hinge base 38 in a closed position.
  • the shank 28 may include a screw driver slot 70 facilitating installation of the post 24 to the toilet bowl 12 and a finger ledge 74 on the flap 44 may be provided to facilitate finger opening of the flap by pivoting with respect to the base 38 to remove the ring 56 from the head 28 thus enabling a perforated head 28 to collapse so that the toilet seat 14 may be easily removed from the toilet bowl 12 .

Abstract

A toilet featuring a lift and clean toilet seat hinge includes a toilet bowl, toilet seat, and the hinge includes a hinge base, a post, and a flap for closing the hinge base. The mounting post is provided with an expandable head and the flap includes a ring for expanding the head in order to releasably lock the mounting post to the toilet seat hinge base.

Description

  • The present invention is generally related to a toilet, toilet seat, and a toilet seat hinge for detachably securing the toilet seat to the toilet bowl. More particularly, the present invention is directed to a toilet seat hinge which facilitates ready removal of the seat from the toilet bowl when, for example, it is desired to clean the toilet bowl or toilet seat, and/or replace the toilet seat. As hereinabove noted, it is frequently desirable to remove a toilet seat from its associated toilet bowl for cleaning or replacement. Typically, this is a difficult task since most seats are secured by threaded fasteners.
  • Over time, particularly in the humid environments associated with bathrooms, the threaded fasteners are prone to both becoming soiled and frozen by corrosion. In addition, such toilets are usually not provided with generous space so that access to these fasteners is cramped.
  • The present invention provides for an improved lift and clean toilet seat hinge for providing secure fastening of a toilet seat to a toilet bowl as well as being aesthetically pleasing.
    • SUMMARY OF THE INVENTION
  • A lift and clean toilet seat hinge in accordance with the present invention generally includes a mounting post having a shank for extending through a toilet bowl and an expandable head along with a toilet seat hinge base having an opening therethrough for receiving the expandable head.
  • A flap is provided for closing the hinge base opening and expanding the expandable head within the hinge base opening in order to releasably lock the mounting post to the toilet seat hinge base.
  • More particularly, the post shank may be threaded and the hinge may further comprise a nut with the nut being threaded onto the threaded shank in order to secure the mounting post to the toilet bowl.
  • Preferably, the expandable head includes a perforated, or segmented, ring and the hinge base opening includes a circumferential shelf for underlying the perforated ring when expanded by the flap. In that regard, the flap preferably includes a depending ring for expanding the perforating ring with the flap being pivotably hinged to the hinge base. In addition, the perforated ring may include teeth for engaging the hinge base opening.
  • In combination, the present invention provides for a toilet seat assembly which includes a toilet seat, a toilet seat lid and a hinge interconnecting the toilet seat and the toilet seat hinge. The hinge includes the hereinabove recited elements.
  • The invention further encompasses the toilet which includes a toilet bowl, a seat, and a hinge interconnecting the toilet bowl and the toilet seat with the hinge including the elements hereinabove recited.
    • BRIEF DESCRIPTION OF THE DRAWINGS
  • The present invention may be more clearly appreciated when taken in conjunction with the accompanying drawings, in which:
  • FIG. 1 is a perspective view of a toilet seat bowl, toilet seat, and a hinge generally showing a mounting post, a toilet seat hinge base along with a flap for closing a hinge base opening;
  • FIG. 2 is a perspective view similar to that shown in FIG. 1 showing the flap closed;
  • FIG. 3 is an exploded cross sectional view of the hinge shown in FIGS. 1 and 2 more clearly illustrating the post having an expandable head and the flap including a depending ring for expansion of the expandable head to secure the hinge base to the mounting post head; and
  • FIG. 4 is a perspective view of the post expandable head showing a perforated or segmented, structure; and
  • FIG. 5 is a cross sectional view corresponding to FIG. 3 showing the flap closed with the depending ring expanding the expandable head to secure the hinge base to the mounting post and toilet bowl.
    •  DETAILED DESCRIPTION
  • With reference to FIGS. 1 and 2, there is shown a toilet 10 in accordance with the present invention showing, in combination, a toilet bowl 12, which may be of conventional design, along with a toilet seat 14 and hinges 18, 20 for interconnecting the toilet bowl 12 and the toilet seat 14.
  • As most clearly shown in FIG. 3, the hinge 20 includes a mounting post 24 having a shank 26 for extending through the toilet bowl 12 and an expandable head 28 which is preferably perforated with a plurality of arcuate segments, or sections, as illustrated in FIG. 4. A nut 34 may be utilized and threaded onto the shank 26 in order to secure the post 24 to the toilet bowl 12 in a conventional manner.
  • Each of the hinges 18, 20 include a hinge base 38, common reference characters associated with the components of the hinges 18, 20 having like character reference in the FIGS. 1 and 2.
  • With reference again to FIG. 3, the hinge base 38 includes an opening 40 therethrough for receiving the expandable head 28.
  • A flap 44 is attached to the hinge base 38 by a pivot 46 enabling the flap 44 to close over the hinge base opening 40 and expand the expandable head 28 within the hinge base opening 40 in order to releasably lock the mounting post head 28 and mounting post 24 to the toilet seat hinge base 38 as illustrated in FIG. 5.
  • The perforated head 28 segments 30 preferably include teeth 50 for engaging the hinge base opening 40 which may also include a circumferential shelf 52 for enhancing the coupling, or locking of the head 28 to the hinge base 38.
  • Expansion of the head 28 is caused by a ring 56 depending from the flap 44 as illustrated in FIG. 5. When closed the hinge 18, 20 has an aesthetically pleasing appearance as illustrated in FIG. 2.
  • A protrusion 60 on a flap leg 64 and a detent 64 in the hinge base 38 further couples the flap 44 in a closed position over the hinge base 38 in a closed position.
  • The shank 28 may include a screw driver slot 70 facilitating installation of the post 24 to the toilet bowl 12 and a finger ledge 74 on the flap 44 may be provided to facilitate finger opening of the flap by pivoting with respect to the base 38 to remove the ring 56 from the head 28 thus enabling a perforated head 28 to collapse so that the toilet seat 14 may be easily removed from the toilet bowl 12.
  • Although there has been hereinabove described a specific toilet, toilet seat and lift and clean toilet seat hinge in accordance with the present invention for the purpose of illustrating the manner in which the invention may be used to advantage, it should be appreciated that the invention is not limited thereto. That is, the present invention may suitably comprise, consist of, or consist essentially of the recited elements. Further, the invention illustratively disclosed herein suitably may be practiced in the absence of any element which is not specifically disclosed herein. Accordingly, any and all modifications, variations or equivalent arrangements which may occur to those skilled in the art, should be considered to be within the scope of the present invention as defined in the appended claims.

Claims (18)

1. A lift and clean toilet seat hinge comprising:
a mounting post having a shank for extending through a toilet bowl and an expendable head;
a toilet seat hinge base having an opening therethrough for receiving said expandable head; and
a flap for closing the hinge base opening and expanding said expandable head within the hinge base opening in order to releasably lock said mounting post to said toilet seat hinge base.
2. The hinge according to claim 1 wherein the post shank is threaded and the hinge further comprises a nut, the nut being threaded onto the threaded shank in order to secure said mounting post to said toilet bowl.
3. The hinge according to claim 1 wherein said expandable head comprises a perforated ring and the hinge base opening includes a circumferential shelf for underlying said perforated ring when expanded by said flap.
4. The hinge according to claim 3 wherein said flap includes a depending ring for expanding said perforated ring.
5. The hinge according to claim 4 wherein said flap is pivotably to hinge base.
6. The hinge according to claim 5 wherein said perforated ring includes teeth for engaging the hinge base opening.
7. A toilet seat assembly comprising:
a toilet seat;
a toilet seat lid; and
a hinge interconnecting said toilet seat and said toilet seat lid, said hinge comprising:
a mounting post having a shank for extending through a toilet bowl and an expendable head;
a toilet seat hinge base having an opening therethrough for receiving said expandable head; and
a flap for closing the hinge base opening and expanding said expandable head within the hinge base opening in order to releasably lock said mounting post to said toilet seat hinge base.
8. The seat according to claim 7 wherein the post shank is threaded and the hinge further comprises a nut, the nut being threaded onto the threaded shank in order to secure said mounting post to said toilet bowl.
9. The seat according to claim 7 wherein said expandable head comprises a perforated ring and the hinge base opening includes a circumferential shelf for underlying said perforated ring when expanded by said flap.
10. The seat according to claim 9 wherein said flap includes a depending ring for expanding said perforated ring.
11. The seat according to claim 10 wherein said flap is pivotably attached to said hinge base.
12. The seat according to claim 11 wherein said perforated ring includes teeth for engaging the hinge base opening.
13. A toilet comprises:
a toilet bowl;
a toilet seat; and
a hinge interconnecting said toilet bowl and said toilet seat; said hinge comprising:
a mounting post having a shank for extending through a toilet bowl and an expendable head;
a toilet seat hinge base having an opening therethrough for receiving said expandable head; and
a flap for closing the hinge base opening and expanding said expandable head within the hinge base opening in order to releasably lock said mounting post to said toilet seat hinge base.
14. The toilet according to claim 13 wherein the post shank is threaded and the hinge further comprises a nut, the nut being threaded onto the threaded shank in order to secure said mounting post to said toilet bowl.
15. The toilet according to claim 13 wherein said expandable head comprises a perforated ring and the hinge base opening includes a circumferential shelf for underlying said perforated ring when expanded by said flap.
16. The toilet according to claim 15 wherein said flap includes a depending ring for expanding said perforated ring.
17. The toilet according to claim 16 wherein said flap is pivotally attached to said hinge base.
18. The toilet according to claim 17 wherein said perforated ring includes teeth for engaging the hinge base opening.
US11/933,963 2007-11-01 2007-11-01 Lift and clean toilet seat hinge Active 2030-10-31 US8205274B2 (en)

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Application Number Priority Date Filing Date Title
US11/933,963 US8205274B2 (en) 2007-11-01 2007-11-01 Lift and clean toilet seat hinge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/933,963 US8205274B2 (en) 2007-11-01 2007-11-01 Lift and clean toilet seat hinge

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US20090113610A1 true US20090113610A1 (en) 2009-05-07
US8205274B2 US8205274B2 (en) 2012-06-26

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120011646A1 (en) * 2010-07-13 2012-01-19 Centoco Plastics Limited Toilet seat hinge assembly
WO2013013450A1 (en) * 2011-07-22 2013-01-31 厦门豪帝卫浴工业有限公司 Key-controlled pivot seat for quick assembly of toilet cover
US20130312171A1 (en) * 2012-05-22 2013-11-28 Mingchang Yang Lift-off hinge with attached hinge cover
WO2013070322A3 (en) * 2011-09-15 2014-01-03 Bemis Manufacturing Company Toilet seat hinge
US9107548B2 (en) 2011-03-11 2015-08-18 Bemis Manufacturing Company Toilet seat hinge assembly
US9107547B2 (en) 2010-12-17 2015-08-18 Bemis Manufacturing Company Toilet seat hinge assembly
JP2015165082A (en) * 2013-07-08 2015-09-17 パナソニックＩｐマネジメント株式会社 Western style toilet bowl device
US9289103B2 (en) 2013-02-06 2016-03-22 As Ip Holdco, Llc Easy-install toilet seat
US10285546B2 (en) 2017-02-13 2019-05-14 Topseat International, Inc. System and method for removably mounting toilet seat to toilet bowl
CN111655098A (en) * 2018-01-29 2020-09-11 吉博力国际股份公司 Fastening device for a WC hinge element

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9713407B2 (en) 2012-04-02 2017-07-25 Home Depot Product Authority, Llc Fast release toilet seat attachment system and method
CN202859021U (en) * 2012-09-10 2013-04-10 周裕佳 Installation structure of cover plate of seat toilet
US10610069B2 (en) 2018-01-06 2020-04-07 Kohler Co. Toilet seat and hinge
US11426036B2 (en) 2020-04-17 2022-08-30 Kohler Co. Toilet seat
EP4049569A1 (en) 2021-02-24 2022-08-31 Bemis Manufacturing Company Toilet seat hinge

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US2658248A (en) * 1952-02-08 1953-11-10 Prestole Corp Coil form fastener
US3055015A (en) * 1960-07-25 1962-09-25 Melvin H Silverman Releasable hinge assembly
US3308483A (en) * 1964-01-31 1967-03-14 Miller George Toilet seat construction
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US6643851B1 (en) * 2002-05-16 2003-11-11 Timothy T. Janes Easily removable and replaceable toilet seat and lid
US6763529B1 (en) * 2003-05-08 2004-07-20 Milton Richter Bolt assembly for toilet seats
US6807686B1 (en) * 2004-03-15 2004-10-26 Timothy T. Janes Easily removable and replaceable toilet seat and lid
US20040234358A1 (en) * 2003-05-21 2004-11-25 Newfrey Llc Fastener assembly and method employing a flanged metal nut with a metal cup washer rotatably mounted thereon
US20050220567A1 (en) * 2004-03-17 2005-10-06 Alexander Winker Fastening element, washer and fastening means therefrom
US7155748B2 (en) * 2004-04-01 2007-01-02 Kohler Co. Releasable toilet seat assembly
US7203975B2 (en) * 2004-09-24 2007-04-17 Kohler Co. Releasable toilet seat hinge assembly
US7744324B2 (en) * 2005-05-20 2010-06-29 Alcatel-Lucent Usa Inc. Cup washer for a fastener
US7827626B2 (en) * 2007-06-29 2010-11-09 Wenhui Zhou Hinge for toilet seat

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* Cited by examiner, † Cited by third party
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US2658248A (en) * 1952-02-08 1953-11-10 Prestole Corp Coil form fastener
US3055015A (en) * 1960-07-25 1962-09-25 Melvin H Silverman Releasable hinge assembly
US3308483A (en) * 1964-01-31 1967-03-14 Miller George Toilet seat construction
US4326307A (en) * 1978-06-02 1982-04-27 Baillie Kenneth D Releasable toilet seat clamp
US5303429A (en) * 1989-06-14 1994-04-19 Noetzold Norbert Connecting element between WC seat/lid and WC bowl
US5515552A (en) * 1990-04-23 1996-05-14 Kleto Holland B.V. Fastening mechanism for a toilet seat
US5267357A (en) * 1993-04-13 1993-12-07 Ades Bruce A Releasable toilet lid and seat locking apparatus
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US5933875A (en) * 1997-04-03 1999-08-10 Bemis Manufacturing Company Lift-off toilet seat hinge
US6263516B1 (en) * 1997-12-10 2001-07-24 Pressalit A/S Toilet cover assembly
US6070295A (en) * 1998-09-22 2000-06-06 Bemis Manufacturing Company Quick release toilet seat hinge with swivel
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Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8943618B2 (en) * 2010-07-13 2015-02-03 Centoco Plastics Limited Toilet seat hinge assembly
US20120011646A1 (en) * 2010-07-13 2012-01-19 Centoco Plastics Limited Toilet seat hinge assembly
US9107547B2 (en) 2010-12-17 2015-08-18 Bemis Manufacturing Company Toilet seat hinge assembly
US9107548B2 (en) 2011-03-11 2015-08-18 Bemis Manufacturing Company Toilet seat hinge assembly
WO2013013450A1 (en) * 2011-07-22 2013-01-31 厦门豪帝卫浴工业有限公司 Key-controlled pivot seat for quick assembly of toilet cover
WO2013070322A3 (en) * 2011-09-15 2014-01-03 Bemis Manufacturing Company Toilet seat hinge
CN103957763A (en) * 2011-09-15 2014-07-30 碧美斯制造公司 Toilet seat hinge
US9986878B2 (en) 2011-09-15 2018-06-05 Bemis Manufacturing Company Toilet seat hinge
US20130312171A1 (en) * 2012-05-22 2013-11-28 Mingchang Yang Lift-off hinge with attached hinge cover
US9144354B2 (en) * 2012-05-22 2015-09-29 Wdi International, Inc Lift-off hinge with attached hinge cover
US9289103B2 (en) 2013-02-06 2016-03-22 As Ip Holdco, Llc Easy-install toilet seat
JP2015165082A (en) * 2013-07-08 2015-09-17 パナソニックＩｐマネジメント株式会社 Western style toilet bowl device
US10285546B2 (en) 2017-02-13 2019-05-14 Topseat International, Inc. System and method for removably mounting toilet seat to toilet bowl
CN111655098A (en) * 2018-01-29 2020-09-11 吉博力国际股份公司 Fastening device for a WC hinge element
US11937743B2 (en) 2018-01-29 2024-03-26 Geberit International Ag Fastening arrangement for a WC flap element

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